Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chap ke doc snippets" » "chap khe doc snippets", "phap ke doc snippets", "phap kem doc snippets", "chap ke do snippets", "chap me doc snippets", "chap ke doi snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("chap ke doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chap ke doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chap ke doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chap ke doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.